package com.sky.controller.admin;


import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.models.auth.In;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api("菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除{}", ids);
        dishService.deleteBatch(ids);
        cleanCache("dish_*");
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品id= {}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品信息")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品信息{}",dishDTO);
        cleanCache("dish_*");
        dishService.updateWithFlavor(dishDTO);
        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("根据id起售停售菜品")
    public Result updateStatus(@PathVariable Integer status, Long id){
        log.info("根据id起售停售菜品");
        cleanCache("dish_*");
        DishDTO dishDTO = new DishDTO();
        dishDTO.setStatus(status);
        dishDTO.setId(id);
        dishService.updateWithFlavor(dishDTO);
        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据菜品种类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId, String name){
        log.info("查询category = {}, name = {}的菜品", categoryId, name);
        List<DishVO> dishes = dishService.list(categoryId, name);
        return Result.success(dishes);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern) {
        Set key = redisTemplate.keys(pattern);
        redisTemplate.delete(key);
    }
}
